Tension lock buckle



FIG. 1 shows a top, front and right side perspective view of a tension lock buckle, showing my new design;

FIG. 2 is a front, bottom and right side view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a front view thereof;

FIG. 8 is a right side view thereof; and,

FIG. 9 is a top, front and right side perspective view thereof, showing the design with a strap threaded therethrough.

The features shown in broken lines depict environmental structure and form no part of the claimed design. 

CLAIM The ornamental design for a tension lock buckle, as shown and described. 